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diff --git a/Source/JavaScriptCore/API/ObjCCallbackFunction.h b/Source/JavaScriptCore/API/ObjCCallbackFunction.h
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+++ b/Source/JavaScriptCore/API/ObjCCallbackFunction.h
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+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+#ifndef ObjCCallbackFunction_h
+#define ObjCCallbackFunction_h 
+
+#include <JavaScriptCore/JSBase.h>
+
+#if JSC_OBJC_API_ENABLED
+
+#import <JavaScriptCore/JSCallbackFunction.h>
+
+#if defined(__OBJC__)
+JSObjectRef objCCallbackFunctionForMethod(JSContext *, Class, Protocol *, BOOL isInstanceMethod, SEL, const char* types);
+JSObjectRef objCCallbackFunctionForBlock(JSContext *, id);
+JSObjectRef objCCallbackFunctionForInit(JSContext *, Class, Protocol *, SEL, const char* types);
+
+id tryUnwrapConstructor(JSObjectRef);
+#endif
+
+namespace JSC {
+
+class ObjCCallbackFunctionImpl;
+
+class ObjCCallbackFunction : public InternalFunction {
+    friend struct APICallbackFunction;
+public:
+    typedef InternalFunction Base;
+
+    static ObjCCallbackFunction* create(VM&, JSGlobalObject*, const String& name, std::unique_ptr<ObjCCallbackFunctionImpl>);
+    static void destroy(JSCell*);
+
+    static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
+    {
+        ASSERT(globalObject);
+        return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
+    }
+
+    DECLARE_EXPORT_INFO;
+
+    ObjCCallbackFunctionImpl* impl() const { return m_impl.get(); }
+
+protected:
+    ObjCCallbackFunction(VM&, JSGlobalObject*, JSObjectCallAsFunctionCallback, JSObjectCallAsConstructorCallback, std::unique_ptr<ObjCCallbackFunctionImpl>);
+
+private:
+    static CallType getCallData(JSCell*, CallData&);
+    static ConstructType getConstructData(JSCell*, ConstructData&);
+
+    JSObjectCallAsFunctionCallback functionCallback() { return m_functionCallback; }
+    JSObjectCallAsConstructorCallback constructCallback() { return m_constructCallback; }
+
+    JSObjectCallAsFunctionCallback m_functionCallback;
+    JSObjectCallAsConstructorCallback m_constructCallback;
+    std::unique_ptr<ObjCCallbackFunctionImpl> m_impl;
+};
+
+} // namespace JSC
+
+#endif
+
+#endif // ObjCCallbackFunction_h